#include <iostream>
#include "complex.h"
using namespace std;

int main() {
  complex c1(2, 1);
  complex c2;
  cout << c1 << endl;
  cout << c2 << endl;

  c2 = c1 + 5;
  c2 = 7 + c1;
  c2 += c1;
  c2 += 3;
  c2 = -c1;

  cout << (c1 == c2) << endl;
  cout << (c1 != c2) << endl;
  cout << conj(c1) << endl;

  return 0;
}